CN204884783U - High -power electric locomotive traction transformer and oil circulative cooling system thereof - Google Patents
High -power electric locomotive traction transformer and oil circulative cooling system thereof Download PDFInfo
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- CN204884783U CN204884783U CN201520530815.0U CN201520530815U CN204884783U CN 204884783 U CN204884783 U CN 204884783U CN 201520530815 U CN201520530815 U CN 201520530815U CN 204884783 U CN204884783 U CN 204884783U
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Abstract
The utility model discloses a high -power electric locomotive traction transformer oil circulative cooling system, the oil cooler of oil pipe and transformer body intercommunication is passed through including one end, oil cooler's the other end is provided with the axial -flow pump, just the oil inlet of axial -flow pump pass through oil pipe with transformer body intercommunication, the oil -out of axial -flow pump pass through oil pipe with the oil cooler intercommunication. Use the utility model provides a high -power electric locomotive traction transformer oil circulative cooling system, inside pressure loss or the turbulent disturbance that produces of axial -flow pump is littleer than general oil pump to inside power consumption can be reduced, and then the efficiency of oily circulative cooling system is improved. And the mounting dimension of axial -flow pump own requires lessly, and the quality is light, so be favorable to the lightweight of transformer, miniaturized design. The utility model also discloses a high -power electric locomotive traction transformer that includes above -mentioned high -power electric locomotive traction transformer oil circulative cooling system.
Description
Technical field
The utility model relates to electric locomotive technical field, more particularly, relates to a kind of high-power electric traction transformer of locomotive oil circulating cooling system, also relates to a kind of high-power electric traction transformer of locomotive.
Background technology
Electric locomotive (electriclocomotive) refers to by the locomotive of wheel driving motor, or captures the railway locomotive of electric power as driven by energy from the external world.Needed for electric locomotive, electric energy is supplied, so be a kind of non-locomotive carrying the energy by the contact line of electrified railway power supply system or the 3rd rail.Electric locomotive has that power is large, overload capacity is strong, tractive effort is large, speed is fast, the servicing work time is short, maintenance capacity is few, running cost is low, is convenient to realize multi locomotive traction, can adopt the series of advantages such as regenerative braking and conserve energy.Meanwhile, use electric locomotive traction car team, train running speed and load capacity can be improved, thus improve transport capacity and the handling capacity of railway significantly.
Traction transformer is a necessary parts in electric locomotive composition, in the course of the work, because transformer temperature raises, thus the heat being taken away the generations such as transformer core, coil, structural member by oil circulation is needed, then in cooling device, complete heat exchange, make transformer reach the cooling effect of expection.
In prior art, for high-power electric traction transformer of locomotive, its oily circulating cooling system comprises transformer body, oil cooler and disc type oil pump more, by disc type oil pump for oil circulation provides power.But disc type oil pump many employings Plate Welding manufactures, heavier mass is unfavorable for being installed on maintenance and light transformer Quantitative design.Principles and structure etc. due to disc type oil pump itself makes its requirements of installation space comparatively large, and efficiency is relatively low simultaneously, is unfavorable for transformer Miniaturization Design.
In sum, how effectively solving that oil pump installing space in high-power electric traction transformer of locomotive oil circulating cooling system is large and efficiency is lower, be unfavorable for the problems such as light transformer quantification, Miniaturization Design, is current those skilled in the art's urgent problem.
Utility model content
In view of this, first object of the present utility model is to provide a kind of high-power electric traction transformer of locomotive oil circulating cooling system, this high-power electric traction transformer of locomotive oil circulating cooling system effectively can solve that oil pump installing space in oily circulating cooling system is large and efficiency is lower, be unfavorable for that light transformer quantizes, the problem of Miniaturization Design, and second object of the present utility model is to provide a kind of high-power electric traction transformer of locomotive comprising above-mentioned oily circulating cooling system.
In order to reach above-mentioned first object, the utility model provides following technical scheme:
A kind of high-power electric traction transformer of locomotive oil circulating cooling system, comprise the oil cooler that one end is communicated with described transformer body by oil pipe, the other end of described oil cooler is provided with axial-flow pump, and the oil-in of described axial-flow pump is communicated with described transformer body by oil pipe, the oil-out of described axial-flow pump is communicated with described oil cooler by oil pipe.
Preferably, in above-mentioned high-power electric traction transformer of locomotive oil circulating cooling system, described axial-flow pump is cast aluminium axial-flow pump.
Preferably, in above-mentioned high-power electric traction transformer of locomotive oil circulating cooling system, described axial-flow pump is installed on side or the end face of described transformer.
Preferably, in above-mentioned high-power electric traction transformer of locomotive oil circulating cooling system, the two ends of described axial-flow pump are connected with described oil pipe bolt.
Preferably, in above-mentioned high-power electric traction transformer of locomotive oil circulating cooling system, described oil cooler is wind cooling oil cooler.
The high-power electric traction transformer of locomotive oil circulating cooling system that the utility model provides comprises oil cooler and axial-flow pump, one end of oil cooler is communicated with transformer body by oil pipe, the other end of oil cooler is communicated with axial-flow pump by oil pipe, axial-flow pump is communicated with transformer body by oil pipe again, namely by oil pipe, oil cooler, axial-flow pump is communicated with formation one oil with transformer body and circulates.And the oil-in of axial-flow pump is communicated with transformer body, the oil-out of axial-flow pump is communicated with oil cooler.
During the high-power electric traction transformer of locomotive oil circulating cooling system that application the utility model provides, transformer temperature raises, the heat of the generations such as transformer core, coil, structural member is taken away by oil circulation, then in oil cooler, complete heat exchange, make transformer reach the cooling effect of expection.Feature due to axial-flow pump is that transformer oil flows to impeller by hollow shaft, produces pressure force transformer oil from the inlet to the outlet by wheel rotation to housing; Crushing or the turbulence prediction of this pump inside generation are less than general oil pump, thus can reduce inner power consumption further, and then improve the efficiency of oily circulating cooling system.
Meanwhile, in high-power electric traction transformer of locomotive that the utility model provides oil circulating cooling system, the installation dimension of axial-flow pump own requires less, and quality is light, therefore is conducive to the miniaturization of transformer, light-weight design and be easy to installation and maintenance.
In a preferred embodiment, the high-power electric traction transformer of locomotive oil circulating cooling system that the utility model provides, its axial-flow pump is cast aluminium axial-flow pump, due to cast aluminium axial-flow pump lighter weight, be convenient to the light-weight design of transformer, be easy to I&M simultaneously.
In order to reach above-mentioned second object, the utility model additionally provides a kind of high-power electric traction transformer of locomotive, and this high-power electric traction transformer of locomotive comprises any one oily circulating cooling system above-mentioned.Because above-mentioned high-power electric traction transformer of locomotive oil circulating cooling system has above-mentioned technique effect, the high-power electric traction transformer of locomotive with this oily circulating cooling system also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of embodiment of high-power electric traction transformer of locomotive oil circulating cooling system that Fig. 1 provides for the utility model;
Fig. 2 is the contour structures schematic diagram of Fig. 1 Axial-Flow pump.
In accompanying drawing, mark is as follows:
Axial-flow pump 1, transformer body 2, oil cooler 3, oil pipe 4, oil pump oil-in end cap 11, oil pump oil-out end cap 12, oil pump case 13, oil pump terminal box 14.
Embodiment
The utility model embodiment discloses a kind of high-power electric traction transformer of locomotive oil circulating cooling system, to reduce oil pump installing space in oily circulating cooling system, improves oil pump efficiency, realizes light transformer quantification, Miniaturization Design.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the structural representation of a kind of embodiment of high-power electric traction transformer of locomotive oil circulating cooling system that Fig. 1 provides for the utility model.
In a kind of embodiment, the high-power electric traction transformer of locomotive oil circulating cooling system that the utility model provides comprises oil cooler 3 and axial-flow pump 1.
Wherein, oil cooler 3 is for carrying out heat exchange by transformer oil, and the structure etc. of concrete oil cooler 3 please refer to prior art, repeats no more herein.
Axial-flow pump 1 provides power for the transformer oil circulation for transformer body 2, oil-in is communicated with transformer body 2 by oil pipe 4, oil-out is communicated with oil cooler 3 by oil pipe 4, oil cooler 3 is communicated with transformer body 2 again, namely by oil pipe 4, axial-flow pump 1, oil cooler 3 is communicated with formation circulating oil path with transformer body 2.The feature of axial-flow pump 1 is that transformer oil flows to impeller by hollow shaft, produces pressure force transformer oil from the inlet to the outlet by wheel rotation to housing; Crushing or the turbulence prediction of this pump inside generation are less than general oil pump, thus can reduce inner power consumption further.Concrete, the structure of axial-flow pump 1 can consult Fig. 2, and Fig. 2 is the contour structures schematic diagram of Fig. 1 Axial-Flow pump 1.General, axial-flow pump 1 comprises the structures such as oil pump case 13, oil pump terminal box 14, oil pump oil-in end cap 11, oil pump oil-out end cap 12, and oil pump oil-in end cap 11 and oil pump oil-out end cap 12 are respectively used to be connected with oil pipe 4.Based on the operation principle of axial-flow pump 1, crushing or the turbulence prediction of its inner generation are less than general oil pump, thus can reduce inner power consumption further.The feature that axial-flow pump 1 efficiency is high, flow is large is conducive to the operating efficiency improving high-power electric traction transformer of locomotive oil circulating cooling system.
Further, axial-flow pump 1 can adopt cast aluminium axial-flow pump.Because the installation dimension of cast aluminium turbidity current pump is less, and quality is light, is thus easy to installation and maintenance.Also just avoid ventional disc oil pump and adopt stainless cast steel part, quality is large, is not easy to the problem of installation and maintenance.To sum up, by cast aluminium axial-flow pump be provided be beneficial to transformer miniaturization, light-weight design.
On the basis of the various embodiments described above, in the high-power electric traction transformer of locomotive oil circulating cooling system that the utility model provides, because axial-flow pump 1 itself takes up room less, side or the end face of transformer body 2 can be installed on, thus can effective conserve space, the space hold of further reduction transformer whole structure, is conducive to its Miniaturization Design.
Further, axial-flow pump 1 and oil pipe 4 specifically can be with bolts, certainly, dismountable connected mode of other routines also can be adopted as required to connect.
On the basis of the various embodiments described above, in the high-power electric traction transformer of locomotive oil circulating cooling system that the utility model provides, oil cooler 3 specifically can adopt wind cooling oil cooler 3, is namely the oil cooler 3 that medium carries out exchange heat with air.Concrete, oil cooler 3 can comprise blower fan, drive air flowing by the effect of blower fan and flow out by transformer body 2 transformer oil entered in oil cooler 3 and carry out exchange heat, through cooled transformer oil by recycling in oil pipe 4 again inflow transformer body 2.
Based on the oily circulating cooling system provided in above-described embodiment, the utility model additionally provides a kind of high-power electric traction transformer of locomotive, and this traction transformer comprises any one oily circulating cooling system in above-described embodiment.The oily circulating cooling system in above-described embodiment is have employed, so the beneficial effect of this traction transformer please refer to above-described embodiment due to this high-power electric traction transformer of locomotive.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a high-power electric traction transformer of locomotive oil circulating cooling system, it is characterized in that, comprise the oil cooler (3) that one end is communicated with transformer body (2) by oil pipe (4), the other end of described oil cooler (3) is provided with axial-flow pump (1), and the oil-in of described axial-flow pump (1) is communicated with described transformer body (2) by oil pipe (4), the oil-out of described axial-flow pump (1) is communicated with described oil cooler (3) by oil pipe (4).
2. high-power electric traction transformer of locomotive oil circulating cooling system according to claim 1, it is characterized in that, described axial-flow pump (1) is cast aluminium axial-flow pump.
3. high-power electric traction transformer of locomotive oil circulating cooling system according to claim 1 and 2, it is characterized in that, described axial-flow pump (1) is installed on side or the end face of described transformer body (2).
4. high-power electric traction transformer of locomotive oil circulating cooling system according to claim 3, it is characterized in that, the two ends of described axial-flow pump (1) are connected with described oil pipe (4) bolt.
5. high-power electric traction transformer of locomotive oil circulating cooling system according to claim 1, it is characterized in that, described oil cooler (3) is wind cooling oil cooler.
6. a high-power electric traction transformer of locomotive, is characterized in that, comprises the high-power electric traction transformer of locomotive oil circulating cooling system described in any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530815.0U CN204884783U (en) | 2015-07-21 | 2015-07-21 | High -power electric locomotive traction transformer and oil circulative cooling system thereof |
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| CN201520530815.0U CN204884783U (en) | 2015-07-21 | 2015-07-21 | High -power electric locomotive traction transformer and oil circulative cooling system thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455418A (en) * | 2016-08-31 | 2017-02-22 | 中车大连机车研究所有限公司 | Intelligent cooling system for traction converter of electric multiple unit |
| CN106449036A (en) * | 2016-08-31 | 2017-02-22 | 中车大连机车研究所有限公司 | Intelligent cooling system for traction transformer of electric multiple unit |
| CN108495531A (en) * | 2018-05-07 | 2018-09-04 | 龙国剑 | A kind of anhydrous cooling energy conservation and environmental protection high power rectification system |
| CN108735450A (en) * | 2018-07-18 | 2018-11-02 | 中车株洲电机有限公司 | A kind of cooling system of tractive transformer for rail vehicle |
-
2015
- 2015-07-21 CN CN201520530815.0U patent/CN204884783U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455418A (en) * | 2016-08-31 | 2017-02-22 | 中车大连机车研究所有限公司 | Intelligent cooling system for traction converter of electric multiple unit |
| CN106449036A (en) * | 2016-08-31 | 2017-02-22 | 中车大连机车研究所有限公司 | Intelligent cooling system for traction transformer of electric multiple unit |
| CN106455418B (en) * | 2016-08-31 | 2018-09-11 | 中车大连机车研究所有限公司 | Electric rail car group traction convertor Intelligence Cooling System |
| CN108495531A (en) * | 2018-05-07 | 2018-09-04 | 龙国剑 | A kind of anhydrous cooling energy conservation and environmental protection high power rectification system |
| CN108495531B (en) * | 2018-05-07 | 2023-09-22 | 龙国剑 | Energy-saving environment-friendly high-power rectification system without water cooling |
| CN108735450A (en) * | 2018-07-18 | 2018-11-02 | 中车株洲电机有限公司 | A kind of cooling system of tractive transformer for rail vehicle |
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